145121024414111 has 24 divisors (see below), whose sum is σ = 153930426421824. Its totient is φ = 136747142174720.

The previous prime is 145121024414029. The next prime is 145121024414129. The reversal of 145121024414111 is 111414420121541.

It is a de Polignac number, because none of the positive numbers 2^k-145121024414111 is a prime.

It is a super-2 number, since 2×145121024414111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145121024414411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8752691 + ... + 19153371.

It is an arithmetic number, because the mean of its divisors is an integer number (6413767767576).

Almost surely, 2^{145121024414111} is an apocalyptic number.

145121024414111 is a deficient number, since it is larger than the sum of its proper divisors (8809402007713).

145121024414111 is a wasteful number, since it uses less digits than its factorization.

145121024414111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10401139 (or 10401110 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

Adding to 145121024414111 its reverse (111414420121541), we get a palindrome (256535444535652).

The spelling of 145121024414111 in words is "one hundred forty-five trillion, one hundred twenty-one billion, twenty-four million, four hundred fourteen thousand, one hundred eleven".